[INFO] cloning repository https://github.com/jchv/fliteplay
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jchv/fliteplay" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjchv%2Ffliteplay", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjchv%2Ffliteplay'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 95ad675dc41b9a2ae87e822cefb923cabd80aa74
[INFO] checking jchv/fliteplay against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjchv%2Ffliteplay" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jchv/fliteplay on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jchv/fliteplay
[INFO] finished tweaking git repo https://github.com/jchv/fliteplay
[INFO] tweaked toml for git repo https://github.com/jchv/fliteplay written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/jchv/fliteplay already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f1ab0c676f90a9a728d60167c1388ceb659264418c52883c325b6a069bf3d12
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2f1ab0c676f90a9a728d60167c1388ceb659264418c52883c325b6a069bf3d12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f1ab0c676f90a9a728d60167c1388ceb659264418c52883c325b6a069bf3d12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f1ab0c676f90a9a728d60167c1388ceb659264418c52883c325b6a069bf3d12", kill_on_drop: false }`
[INFO] [stdout] 2f1ab0c676f90a9a728d60167c1388ceb659264418c52883c325b6a069bf3d12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7de754932865b149c541d4958e1ff66f5b2712e7cc95813c29138b5fca09553a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7de754932865b149c541d4958e1ff66f5b2712e7cc95813c29138b5fca09553a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking byte-slice-cast v1.0.0
[INFO] [stderr]     Checking redoxsynth v0.1.0 (/opt/rustwide/workdir/redoxsynth)
[INFO] [stderr]     Checking pocketfft v0.1.0 (/opt/rustwide/workdir/pocketfft)
[INFO] [stdout] warning: field is never read: `dump`
[INFO] [stdout]   --> redoxsynth/src/engine/synth.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     dump: i8,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `debug`
[INFO] [stdout]   --> redoxsynth/src/engine/voice.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 99 |     debug: i32,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking fliteplay v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `dump`
[INFO] [stdout]   --> redoxsynth/src/engine/synth.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     dump: i8,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `debug`
[INFO] [stdout]   --> redoxsynth/src/engine/voice.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 99 |     debug: i32,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.49s
[INFO] running `Command { std: "docker" "inspect" "7de754932865b149c541d4958e1ff66f5b2712e7cc95813c29138b5fca09553a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7de754932865b149c541d4958e1ff66f5b2712e7cc95813c29138b5fca09553a", kill_on_drop: false }`
[INFO] [stdout] 7de754932865b149c541d4958e1ff66f5b2712e7cc95813c29138b5fca09553a